Dwindling supplies of carbon dioxide from ethanol plants is sparking concern about shortages of beer, soda and seltzer water – ‘essentials’ for many quarantined Americans. The lack of ethanol output is disrupting this highly specialized corner of the food industry, as 34 of the 45 U.S. ethanol plants that sell CO2 have idled or cut production, according to Renewable Fuels Association Chief Executive Geoff Cooper. Brewers and soft-drink makers use carbon dioxide, or CO2, for carbonation, which gives beer and soda fizz. Ethanol producers are a key provider of CO2Read More